Measurements:
°C
°F
Thunder Bay
12°F
NE 14 mph
Feels like: 0°F
Precip: 100%
World Resorts Canada Thunder Bay

Annual Weather

Thunder Bay Air Temperature, °F

Precipitation Totals, in

Rainy Days During the Year

Average Wind Speed, mph
Sunny, Cloudy and Gloomy Days
Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart.

Best Time to Visit Thunder Bay
The most sunny months:
September 14 days
August 14 days
July 12 days
The most warm months:
July 71.5 °F
August 71.2 °F
June 64.4 °F
Warmest sea temperature:
August 64.9 °F
September 61.3 °F
July 60.6 °F
The most cold months:
February 10.3 °F
January 10.9 °F
December 19.5 °F
The most rainy months:
September 2 days
August 2 days
April 2 days
The most windy months:
November 9 mph
December 9 mph
April 9 mph

Thunder Bay on the Weather Map

24 Hours Weather Forecast
Thunder Bay
Local time: 01:04
05 dec, friday
0300 8°F
E
9 mph
0600 6°F
E
6 mph
0900 6°F
E
4 mph
1200 12°F
E
4 mph
1500 18°F
NE
7 mph
1800 18°F
E
7 mph
2100 16°F
E
8 mph
06 dec, saturday
0000 14°F
SE
14 mph